{
  "cveId": "CVE-2023-21264",
  "url": "https://patchblox.com/security/cve/CVE-2023-21264",
  "summary": "CVE-2023-21264 is fixed in 20 products on 1 platform, first by DEBIAN-CVE-2023-21264, released August 14, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In multiple functions of mem_protect.c, there is a possible way to access hypervisor memory due to a memory access ch...",
  "description": "In multiple functions of mem_protect.c, there is a possible way to access hypervisor memory due to a memory access check in the wrong place. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.",
  "published": "2023-08-14T21:15:11Z",
  "severity": "medium",
  "cvss": 6.7,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00141,
  "epssPercentile": 0.03464,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "bpftool",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "bpftool-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-debuginfo-common-aarch64",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-debuginfo-common-x86_64",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-devel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-headers",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-libbpf",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-libbpf-devel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-libbpf-static",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-livepatch-6.1.52-71.125",
      "release": "amzn 2023",
      "fixedVersion": "1.0-0.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-tools",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-tools-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-tools-devel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.3.7-1",
      "fix": "DEBIAN-CVE-2023-21264",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-21264",
      "released": "2023-08-14T21:15:11Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.3.7-1",
      "fix": "DEBIAN-CVE-2023-21264",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-21264",
      "released": "2023-08-14T21:15:11Z"
    },
    {
      "platform": "linux",
      "product": "perf",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "perf-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-perf",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-perf-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.52-71.125.amzn2023",
      "fix": "ALAS2023-2023-349",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-349",
      "released": "2023-09-14T00:55:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}